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BMS JB4 Anti-Lag Kit - N54 JB4 Upgrades

BMS BMW N54 JB4 Anti-Lag Kit (135i & 335i)


  • £49.01
    exc. VAT £40.84

In Stock


Includes programmed chip and wiring harness to allow on the fly anti-lag. Select a gear, hold down the volume button, floor the car, and once boost has built up release the volume button to instantly take off under full boost. Absolute must have for rolling races of any transmission type and works well for automatics off the line too. Requires a BMS back end flash map and ethanol fuel is strongly suggested.


Installation guide and additional details


Compatibility Check

To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout. 



This is compatible with the BMS N54 JB4 - For vehicle with manual transmissions & auto transmissions only.


Free Next Day UK Delivery

FREE next day UK delivery if ordered before 11am! We can also ship worldwide, simply contact us for a quote.



BMS do not offer warranty on this item.


Manufactured by

Burger Motorsports / Burger Tuning (BMS)


Part Number


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